/Engine/Source/Runtime/GeometryCore/Public/Selections/MeshConnectedComponents.h
Utility function to expand an edge selection to all edges considered "connected".
static void GrowToConnectedEdges ( const [FDynamicMesh3](API\Runtime\GeometryCore\DynamicMesh\FDynamicMesh3) & Mesh, const [TArray](API\Runtime\Core\Containers\TArray)< int > & InputROI, [TSet](API\Runtime\Core\Containers\TSet)< int > & ResultROI, [TArray](API\Runtime\Core\Containers\TArray)< int32 > * QueueBuffer, [TFunctionRef](API\Runtime\Core\GenericPlatform\TFunctionRef)< bool(int32, int32)> CanGrowPredicate )